Finding the Fourth Proportional to 2,538.60, 3,503.34 and 1,419.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538.60 : 3,503.34 = 1,419.58 : x
2. Step 2: Convert to fraction form
   2,538.60/3,503.34 = 1,419.58/x
3. Step 3: Cross multiply
   2,538.60x = 3,503.34 × 1,419.58
4. Step 4: Simplify right side
   2,538.60x = 4,973,271.40
5. Step 5: Solve for x
   x = 4,973,271.40/2,538.60
6. Step 6: Final answer
   x = 1,959.06